025-squirrel/docs/use-case-diagram.md

Use Case Diagram

Metadata

Key	Value
ID	UCD-001
CrossReference	SA-001, BC-001
Language	en
Domain	it

Version History

Date	Status	Author	Reviewer	Change	Commit
2026-10-13	Accepted	Jens Tirsvad Nielsen	AI as stand-in for S01	Initial version	pending

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Purpose and Scope

The system is the squirrel census program. The boundary contains the one goal of the assignment: counting squirrels by fur colour from the census file and writing the summary. The participant is the only actor.

Diagram

@startuml
left to right direction
actor "Participant" as A1
rectangle "Squirrel Census Program" {
  usecase "Count squirrels by fur colour" as UC1
}
A1 --> UC1
@enduml

Actor Table

Actor	Stereotype	Stakeholder ID (SA)	Goals (use cases)
Participant	<>	S01, S02	Count squirrels by fur colour
Squirrel Census Program	<>	S01	-

Use Case Table

Use Case	Actor(s)	Goal
Count squirrels by fur colour	Participant	Get the number of squirrels of each fur colour as a summary file

Relationships

From	Relationship (<<include>> / <<extend>>)	To	Justification
-	-	-	There is only one use case, so there is no include or extend relationship

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